Fix ci #998

Job	Run time
Build jupyterlab (no kernels)	6m 51s
Build example-bash-minimal kernel	3m 34s
Build example-c-minimal kernel	3m 42s
Build example-dotnet-csharp kernel	3m 54s
Build example-dotnet-fsharp kernel	3m 56s
Build example-elm-minimal kernel	3m 38s
Build example-go-minimal kernel	3m 44s
Build example-haskell-minimal kernel	30m 29s
Build example-javascript-minimal kernel	3m 37s
Build example-julia-minimal kernel	9m 50s
Build example-nix-minimal kernel	3m 52s
Build example-ocaml-minimal kernel	8m 48s
Build example-postgres-minimal kernel	3m 29s
Build example-python-minimal kernel	3m 37s
Build example-python-native kernel	3m 50s
Build example-python-science kernel	3m 54s
Build example-python-stable kernel	4m 44s
Build example-r-minimal kernel	3m 56s
Build example-rust-minimal kernel	4m 4s
Build example-scala-minimal kernel	4m 13s
Build example-typescript-minimal kernel	4m 30s
Build example-zsh-minimal kernel	3m 37s
Build devshell	0s
Test a template	0s
Build all kernels	0s
Build docs	0s
	2h 5m 49s

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